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Date:	Mon, 19 May 2014 20:26:18 +0400
From:	Sergei Shtylyov <sergei.shtylyov@...entembedded.com>
To:	Zhangfei Gao <zhangfei.gao@...aro.org>, davem@...emloft.net,
	arnd@...db.de, f.fainelli@...il.com, mark.rutland@....com,
	David.Laight@...LAB.COM, eric.dumazet@...il.com,
	haifeng.yan@...aro.org, jchxue@...il.com
CC:	linux-arm-kernel@...ts.infradead.org, netdev@...r.kernel.org,
	devicetree@...r.kernel.org
Subject: Re: [PATCH 2/3] Documentation: add Device tree bindings for Hisilicon
 hix5hd2 ethernet

Hello.

On 05/19/2014 04:57 PM, Zhangfei Gao wrote:

> Signed-off-by: Zhangfei Gao <zhangfei.gao@...aro.org>
> ---
>   .../bindings/net/hisilicon-hix5hd2-net.txt         |   37 ++++++++++++++++++++
>   1 file changed, 37 insertions(+)
>   create mode 100644 Documentation/devicetree/bindings/net/hisilicon-hix5hd2-net.txt

> diff --git a/Documentation/devicetree/bindings/net/hisilicon-hix5hd2-net.txt b/Documentation/devicetree/bindings/net/hisilicon-hix5hd2-net.txt
> new file mode 100644
> index 0000000..16b1f0e
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/net/hisilicon-hix5hd2-net.txt
> @@ -0,0 +1,37 @@
> +Hisilicon hix5hd2 Ethernet Controller
> +
> +Required properties:
> +- compatible: should be "hisilicon,hix5hd2-mac".
> +- reg : Specifies base physical address(s) and size of the device registers.

    Er, I must note that the colon style here is not consistent with the rest 
of the properties, i.e. there's space before the colon here, while in other 
cases there's none.

> +  The first region is the mac register base and size.

    s/mac/MAC/.

> +  The second region is external interface control register.
> +- interrupts: Should contain the MAC interrupts
> +- #address-cells: Must be <1>.
> +- #size-cells: Must be <0>.

    Descriptions should consistently start with a lower case, I think...

> +- phy-mode: see ethernet.txt [1].
> +- phy-handle: see ethernet.txt [1].
> +- mac-address: see ethernet.txt [1].
> +- clocks: clock phandle and specifier pair.
> +
> +- phy subnode: inherits from phy binding [2]

    s/phy/PHY/.

> +
> +[1] Documentation/devicetree/bindings/net/ethernet.txt
> +[2] Documentation/devicetree/bindings/net/phy.txt
> +
> +Example:
> +	gmac0: ethernet@...40000 {
> +		compatible = "hisilicon,hix5hd2-mac";
> +		reg = <0xf9840000 0x1000>,<0xf984300c 0x4>;
> +		#address-cells = <1>;
> +		#size-cells = <0>;
> +		phy-handle = <&phy0>;
> +		phy-mode = "mii";
> +		mac-address = [00 00 00 00 00 00];

    Don't think that's a good value, unless this is only a placeholder.

> +		interrupts = <0 71 4>;
> +		clocks = <&clock HIX5HD2_MAC0_CLK>;
> +
> +		phy0: ethernet-phy@2 {

    I'd rather label ut phy2...

> +			reg = <2>;
> +			compatible = "ethernet-phy-ieee802.3-c22";

    This is the default "compatible", i.e. there's no need to specify it, IIRC.

> +		};
> +	};

WBR, Sergei

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